Dental X-ray head unit



FIG. 1 is a perspective view of a first embodiment of a dental X-rayhead unit showing my new design; the broken line showing is forillustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a perspective view of a second embodiment of a dental X-rayhead unit showing my new design; the broken line showing is forillustrative purposes only and forms no part of the claimed design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a left end view thereof;

FIG. 12 is a right end view thereof;

FIG. 13 is a bottom plan view thereof; and,

FIG. 14 is a rear elevational view thereof.

The ornamental design for a dental X-ray head unit, as shown anddescribed.